高考英语一轮复习 Unit 4课件 新人教选修6.ppt

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1、选修 6Unit 4 Global warming 2021/8/11 星期三1考点要求考点要求2021/8/11 星期三2.写出下列必考单词1外部的adj._2温和的，温柔的adj._3种类，范围n._4图表n._5普遍的，分布广的adj._6平均的adj._7环境，情况n._8发动机n._9标题，头衔n._10燃料n._outermildrangegraphwidespreadaveragecircumstancemotortitlefuel2021/8/11 星期三311.温室,花房n._12.资料,数据n._13.大灾难n._14.核的,原子核的adj._greenhousedatac

2、atastrophe nuclear2021/8/11 星期三4.写出下列单词的变化形式1.趋向，照顾（vi.&n.）_；倾向，趋势（n.）_2.平稳的，稳固的（adj.）_；平稳地，稳固地（adv.）_3.生存，存在（v.）_；生存，存在（n.）_4.电的，与电有关的（adj.）_；电（n.）_；电的，用电操作的（adj.）_5.同意，赞成（v.）_；分歧，不一致（v.）_；分歧，不一致（n.）_；同意，一致协议（n.）_agreementtendtendencysteadysteadilyexistexistenceelectricalelectricityelectricagreedis

3、agreedisagreement2021/8/11 星期三56.现象（n.）_；（复数）（n.）_7.新的（adj.）_；重新开始,修订,使继续有效（v.）_；能再生的（adj.）_8.结果，后果，影响(n.)_；随之发生的，由此引起的（adj.）_phenomenonphenomenanewrenewrenewableconsequenceconsequent2021/8/11 星期三6活学活用用所给单词的适当形式完成句子。1.Many people do not believe the _ of the ghosts.but some young children doubt that

4、there _ all kinds of ghosts in the world.(existence)2.When we got there,the _ went off.The local people told us that the _ power there was not enough.(electrical)3.He has made _ progress in his study after he worked day and night _for nearly a few months.2021/8/11 星期三74.We _ with each other on the m

5、atter,but it is urgent to reduce the _,for we don，t have much time left.(agree)5.The storm _to hit our city,but we will observe the _ of it closely.(tend)6.Yesterday evening a big fire _ several buildings in the business town.It is reported that the _ of it was a big loss to the province.(destroy)答案

6、：1.existence;exist2.electricity;electrical3.steady;steadily4.disagree;disagreement5.tends;tendency6.destroyed;destruction 2021/8/11 星期三8.翻译下列必背短语1反对_2发生，造成_3同意，订购_4大量的_5上升，增长_6大体上，基本上_7代表一方_8忍受，容忍_9只要_10等等_11温室效应_12继续_be opposed to come about.subscribe to a quantity of go up on the whole on behalf o

7、f put up with so long as and so on greenhouse effect keep on 2021/8/11 星期三9活学活用根据括号中的解释，从“必背短语”中找出恰当的短语完成下列句子。1.I had no idea that your husband _(be against,disagree with)my visits.2.The chairman signed the document _(standing for)the company.3.It was a pretty good conference _(considering the gener

8、al situation).4._(on condition that)we have fair opportunity,we are likely to win the match.2021/8/11 星期三105.It is hard for me to _(to tolerate or bear sb./sth.)the ugly song.6.Can you tell me how it _(to happen,arise)that your parents don，t allow us to stay together？答案：1.was opposed to2.on behalf o

9、f3.on the whole4.As/So long as5.put up es about 2021/8/11 星期三11pollute consume subscribe oppose glance advocate refresh state单元重点动词活学活用用上述动词的适当形式填空。1.The electricity industry _ a large quantity of fossil fuels.2.People _ to the new policy gathered in front of the townhall to show their protest.3._ a

10、t his watch,he stood up,saying he had to leave at once.2021/8/11 星期三124.The river _ by the nearby factory gave out a terrible smell.5.It _ in his report that the government would spend more money building more hospitals and clinics in the countryside.6._ himself,he washed his face with cold water.答案

11、:1.consumes2.opposed3.Glancing4.polluted5.was stated6.To refresh 2021/8/11 星期三13.重点句型 Without the greenhouse effect,the earth would be about thirty-three degrees Celsius cooler than it is.(P26)如果没有这种“温室效应”，地球的温度将比现在的温度还要低33 摄氏度左右。剖析：without短语隐含一个虚拟条件，意为“要是没有”同样的表达有“but for”如：Without your help,we cou

12、ld not have succeeded.要是没有你的帮助，我们是不会成功的。But for the Captain，s effort,all the people on board would have drowned in the sea.要是没有船长的努力，船上所有的人都将已经在海里淹死了。2021/8/11 星期三14活学活用模仿造句。(1)要是没有电，很多人仍将生活在黑暗之中。Without electricity,many people _ in darkness.(2)要不是你帮助我学习，我就不能通过考试了。_ 答案：（1）would still live（2）But for

13、your help in my study,I would have failed the exams.Or:Without your help in my study,I would not have passed the exam.2021/8/11 星期三15.语篇领悟根据课文The Earth is Becoming WarmerBut does It Matter?完成下列短文 There is no doubt (1)the earth is becoming warmer but there is fierce debate over whether it is human ac

14、tivity that has caused this global warming or whether it is just a natural phenomenon.Many scientists like Dr.Janice Foster believe that people have caused the increase in the earth，s temperature (2)burning of fossil fuels like coal,natural gas and oil to produce energy (3)byproducts are called“gree

15、nhouse”gases,the most important one (4)carbon dioxide.These gases trap2021/8/11 星期三16heat from the sun and therefore warm the earth,without which the earth (5)(be)about thirtythree degrees Celsius cooler than it is.But increased amount of carbon dioxide means that (6)heat energy is trapped in the at

16、mosphere,(7)(cause)the global temperature to go (8).On (9)other hand,scientists like George Hambley believe that any warming will be mild with (10)bad environmental consequences and more carbon dioxide is actually a positive thing.2021/8/11 星期三171解析：There is no doubt that 是固定句型。答案：that2.解析：by doing.

17、通过的方式。答案：by3.解析：whose 引导定语从句。答案：whose4.解析：the most important one being carbon dioxide 是独立主格结构。答案：being5.解析：介词短语without which表示虚拟条件，主句中用would be表示虚拟语气。答案：would be2021/8/11 星期三186.more7.解析：causing the global temperature to go up 是分词短语作结果状语。答案：causing8.up 9.解析：on the other hand 另一方面。答案：the 10.解析：few表否定

18、，另外有人认为地球变暖几乎没有不良后果。答案：few2021/8/11 星期三19考点活用用本单元所学的词组、句型翻译下面短文与过去一个世纪相比，地球表面的温度已经大约升高了一摄氏度。其实，我们也可以感受得到，我们越来越难以忍受夏天的炎热，也不习惯冬天的暖和。气温的升高已经对人类的健康、动植物的生存、生态系统产生了很大的影响。毫无疑问，人类的活动应该对环境的恶化负责任。条件允许的话，世界各国都应该采取措施努力改善环境。若没有全世界人们的共同奋斗，我们明天将会是怎样？_ _ _2021/8/11 星期三20答案：Compared to the last century,the Earth，s s

19、urface temperature has risen by about 1 degree centigrade today.As a matter of fact,we may feel that we can hardly put up with the much too hot summer and we can，t get used to warm winter.The rise of the Earth，s surface temperature has made much difference to human health,the existence of creatures

20、and the balance of ecosystems.There is no doubt that human being，s activities are responsible for the bad environment.Conditions permitting,all countries in the world should spare no effort to improve our environment.Without all people，s joint efforts,what would our future be like？2021/8/11 星期三21自主学

21、习自主学习2021/8/11 星期三221.But it is a rapid increase compared to most natural changes.(P26)但是与其他自然变化比起来，它（气温）的变化是很快的了。阅读下列句子,注意体会compare to/compare.with的意思。Compared to many poor students,she was lucky.(“与相比”)We often compare teachers to gardeners.(把比作)If you compare this book with that one,you，ll find m

22、any differences.(把A和B进行比较)2021/8/11 星期三23即学即练用上述短语完成句子。(1)她告诉她自己，和很多妇女比起来，她已经很幸运了。She told herself that _ many women,she was already very lucky.(2)莎士比亚把世界比做一个舞台。_(3)和他所拥有的比起来，这些邮票不是很有趣。_ 答案:(1)compared to (2)Shakespeare compared the world to a stage.(3)Compared with what he had already had,these sta

23、mps were not very interesting.2021/8/11 星期三242.The problem begins when we add huge quantities of extra carbon dioxide into the atmosphere.（P26）而当我们使大气层中增加了大量额外的二氧化碳时，问题就来了。温馨提示：温馨提示：a quantity/quantities of大量(+可数或不可数名词),a vast/large/great/good/small/quantity of大量的(+可数或不可数名词);无论a quantity of后面的名词可数还是

24、不可数，谓语动词都要用单数；无论quantities of后面的名词可数还是不可数，谓语动词都要用复数。2021/8/11 星期三25即学即练用所给动词的正确形式填空。(1)A large quantity of broken paper money _(collect)by the bank.(2)Large quantities of money _(spent)on the bridge.(3)Large quantities of students _(kill)in the earthquake.答案:(1)is collected (2)have been spent (3)wer

25、e killed 2021/8/11 星期三263.They predict that any warming will be mild with few bad environmental consequences.(P27)他们预言说，变暖的情况不会很严重，对环境的影响也不会太坏。词语归纳consequence n.结果；后果；影响consequent adj.随之发生的，由此引起的in consequence因此，由此in consequence of.由于的缘故consequently adv.因此，结果 as a consequence of.由于导致的结果2021/8/11 星期三

26、27即学即练用上述词语填空。(1)Over ten people lost their lives_ the traffic accident.(2)_being ill in hospital,Shelly decided that she wanted to become a nurse.(3)I missed the train and _ I was late for work.(4)Such a mistake would perhaps lead to disastrous _.答案：(1)in consequence of (2)As a consequence of (3)co

27、nsequently (4)consequences2021/8/11 星期三28 4.It will encourage a greater range of animalsall of which will make life for human beings better.(P27)二氧化碳含量的增加会促进动物的生长所有这些都能改善人类的生活。阅读下列句子,注意体会range的意思。There is a wide range of temperature.(n.种类；范围；幅度)The number ranges between 5 and 15.(vi.在一定范围内变化)Please

28、range the goods neatly in the shop window.(vt.排列，整理)2021/8/11 星期三29词语归纳range from.to.范围从到beyond the range of超越的范围within range of.在范围内即学即练用上述词语翻译下列小片段。这家超市有种类繁多的商品。它们的价格从几元到几百元不等。根据它们的种类，售货员把它们整齐地排列在不同的货架上。_ _ _2021/8/11 星期三30答案:The supermarket keeps a wide range of goods.Their prices range from just

29、 only a few yuan to several hundred yuan.According to their varieties,the shop assistants range them neatly on the shelves.5.Even if we start reducing the amount of carbon dioxide and other greenhouse gases,the climate is going to keep on warming for decades or centuries.(P27)即使我们开始减少二氧化碳和其他温室气体的排放量

30、，在今后的几十年甚至几百年里，气候也会继续变暖。2021/8/11 星期三31词语辨析keep on；keep up；keep off；与keep up withkeep on 继续（干），坚持（干）keep up 保持（下去），继续（下去）keep off 避开，不要踩（吃，谈等）keep up with 跟上，不落在后面 即学即练 用keep on,keep up,keep off与keep up with填空。(1)Ive told him to stop,but he _ doing it.(2)_ the good work and you，ll get very good mark

31、s in the exam.2021/8/11 星期三32(3)They put up a sign on the meadow reading“_ the grass”.(4)It，s really difficult to _ the computer technology these days.答案：(1)kept on (2)Keep up (3)Keep off (4)keep up with2021/8/11 星期三336.We do not have to put up with pollution.(P30)我们没必要不得不忍受污染。词语归纳put up with忍受，容忍（=

32、bear/tolerate sth.）put up 举起，搭建，张贴，留住宿put on 穿上，上演put away 收起来，存蓄put in 插嘴说，安装put out 扑灭，出版put off 推迟，让下车put down 写下，放下2021/8/11 星期三34即学即练用上述短语填空。(1)He found it difficult to_ his father，s criticism.(2)They are _several new houses on the street.(3)We just managed to _the fire_ before any real damage

33、was caused.(4)We are _ the play_ again next week owing to its success.(5)Never_ till tomorrow what may be done today.2021/8/11 星期三35(6)“But I object!”he _,suddenly and unexpectedly.(7)I will _that _in my notebook,so that I shall not forget it.(8)He _a little _every month for his grandchildren.答案：(1)

34、put up with (2)putting up (3)put.out (4)putting.on (5)put off (6)put in (7)put.down(8)puts.away2021/8/11 星期三36写作步步高写作步步高2021/8/11 星期三37景点介绍写作指导：介绍景点时，要把景点名称、特点、作用、历史、现状等交待清楚，根据题目的具体要求，有时还要介绍该景点的来由、在当地政治经济生活中的地位。写作时要注意信息整合，可借助with的复合结构、分词短语等将众多信息整合为一个句子，以达到基础写作的要求。活学活用你将带领一个外国旅游团参观长城，请根据以下的信息要点，用5个英语

35、句子写一份长城的简单介绍。你的介绍应该包括全部的信息要点，介绍的开头已经给出，不计入5个句子中。2021/8/11 星期三38写作内容请根据以下中文提纲，编写长城景点的英语介绍 历史 有两千年的历史特点 世界上最长的城墙，有6000多千米。建筑材料主要为石头，砖头，修建工作都是人工进行。主要用于防御外来入侵者，沿墙每隔几百米就有烽火台（watchtower）。现状 世界最著名旅游景点之一，每年吸引许多外国游客到长城观光旅游。2021/8/11 星期三39 写作要求只能用5个句子表达全部的内容。评分标准句子结构准确，信息内容完整，篇章结构连贯。Welcome to the Great Wall.

36、_ _ 2021/8/11 星期三40答 案:Welcome to the Great Wall.Measuring 6,000 kilometers in length,the Great Wall,also known as the longest wall in the world,has a history of more than 2000 years.Whats amazing about the Great Wall is that it was mainly made of stones and bricks and almost all the construction wa

37、s done by hand without any machine.The wall was built with the purpose of defending the country against invaders so there were watchtowers every few hundred meters along it.Now,as a symbol of China,the Great Wall has become one of the most famous tourist attractions in the world.No wonder that it attracts hundreds of thousands of foreign tourists every year.2021/8/11 星期三41祝祝您您2021/8/11 星期三422021/8/11 星期三43